src/gcc/gcc/testsuite/g++.dg/cpp0x/constexpr-potential1.C

// { dg-do compile { target c++11 } }
// We decided in Rapperswil that it's OK if any value of decide can produce
// a constant expression.

constexpr int may_throw(bool decide) {
  return decide ? 42 : throw -1;
}